Home / 361,001.56-498,162.40-215,810.28

Finding the Fourth Proportional to 361,001.56, 498,162.40 and 215,810.28

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Solution

The fourth proportional to 361,001.56, 498,162.40 and 215,810.28 is: 297,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,001.56 : 498,162.40 = 215,810.28 : x
  2. Step 2: Convert to fraction form
    361,001.56/498,162.40 = 215,810.28/x
  3. Step 3: Cross multiply
    361,001.56x = 498,162.40 × 215,810.28
  4. Step 4: Simplify right side
    361,001.56x = 107,508,567,029.47
  5. Step 5: Solve for x
    x = 107,508,567,029.47/361,001.56
  6. Step 6: Final answer
    x = 297,806.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.